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chem

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U have to show the partial charges and bond dipoles on my ;lewis structure of CH3Cl

For the partial charges would I just have a negetive sign as the superscript of Cl and a positive sign and the superscript of C ?

What exactly must I do to show bond dipoles?

I didn't know that such things were included on a lewis structure.

  • chem -

    Often they are not included. If you can envision CH3Cl as something like this:
    H3C--Cl, then place a small Greek letter, delta (small, not a capital delta which is a triangle) together with a - sign. Then on the H3C end place a delta + sign.

  • chem -

    what does the delta mean?

  • chem -

    It means a partial negative charge or a partial positive charge. Placing a - sign or a + sign (with no small delta in front of either) means you are assigning a full -1 charge (or a -2 or -3 or any other number yu place there) to that atom or end of the molecule. The partial means part of a negative or positive charge but doesn't designate the quantity; thus, the quantity for a partial + or - charge can be anywhere from just over 0 up to but just under -1 (or +1).

  • chem -

    Thank you :)

  • chem -

    Scroll down to the delta (you will see the cap and the small letter).
    http://www.mathacademy.com/pr/prime/articles/greek/index.asp

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